From 45711f1af6eff1a6d010703b4862e0d2b9afd056 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Mon, 22 Oct 2007 21:19:53 +0200 Subject: [SG] Update drivers to use sg helpers Signed-off-by: Jens Axboe --- drivers/block/DAC960.c | 2 ++ drivers/block/cciss.c | 4 ++-- drivers/block/cpqarray.c | 3 ++- drivers/block/cryptoloop.c | 12 ++++++++---- drivers/block/sunvdc.c | 1 + drivers/block/sx8.c | 1 + drivers/block/ub.c | 11 ++++++----- drivers/block/viodasd.c | 2 ++ 8 files changed, 24 insertions(+), 12 deletions(-) (limited to 'drivers/block') diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 84d6aa500e26..53505422867c 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -345,6 +345,7 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) Command->V1.ScatterGatherList = (DAC960_V1_ScatterGatherSegment_T *)ScatterGatherCPU; Command->V1.ScatterGatherListDMA = ScatterGatherDMA; + sg_init_table(Command->cmd_sglist, DAC960_V1_ScatterGatherLimit); } else { Command->cmd_sglist = Command->V2.ScatterList; Command->V2.ScatterGatherList = @@ -353,6 +354,7 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) Command->V2.RequestSense = (DAC960_SCSI_RequestSense_T *)RequestSenseCPU; Command->V2.RequestSenseDMA = RequestSenseDMA; + sg_init_table(Command->cmd_sglist, DAC960_V2_ScatterGatherLimit); } } return true; diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 7c2cfde08f18..5a6fe17fc638 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -2610,7 +2610,7 @@ static void do_cciss_request(struct request_queue *q) (int)creq->nr_sectors); #endif /* CCISS_DEBUG */ - memset(tmp_sg, 0, sizeof(tmp_sg)); + sg_init_table(tmp_sg, MAXSGENTRIES); seg = blk_rq_map_sg(q, creq, tmp_sg); /* get the DMA records for the setup */ @@ -2621,7 +2621,7 @@ static void do_cciss_request(struct request_queue *q) for (i = 0; i < seg; i++) { c->SG[i].Len = tmp_sg[i].length; - temp64.val = (__u64) pci_map_page(h->pdev, tmp_sg[i].page, + temp64.val = (__u64) pci_map_page(h->pdev, sg_page(&tmp_sg[i]), tmp_sg[i].offset, tmp_sg[i].length, dir); c->SG[i].Addr.lower = temp64.val32.lower; diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 568603d3043e..efab27fa1083 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -918,6 +918,7 @@ queue_next: DBGPX( printk("sector=%d, nr_sectors=%d\n", creq->sector, creq->nr_sectors); ); + sg_init_table(tmp_sg, SG_MAX); seg = blk_rq_map_sg(q, creq, tmp_sg); /* Now do all the DMA Mappings */ @@ -929,7 +930,7 @@ DBGPX( { c->req.sg[i].size = tmp_sg[i].length; c->req.sg[i].addr = (__u32) pci_map_page(h->pci_dev, - tmp_sg[i].page, + sg_page(&tmp_sg[i]), tmp_sg[i].offset, tmp_sg[i].length, dir); } diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 40535036e893..1b58b010797f 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -119,14 +120,17 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, .tfm = tfm, .flags = CRYPTO_TFM_REQ_MAY_SLEEP, }; - struct scatterlist sg_out = { NULL, }; - struct scatterlist sg_in = { NULL, }; + struct scatterlist sg_out; + struct scatterlist sg_in; encdec_cbc_t encdecfunc; struct page *in_page, *out_page; unsigned in_offs, out_offs; int err; + sg_init_table(&sg_out, 1); + sg_init_table(&sg_in, 1); + if (cmd == READ) { in_page = raw_page; in_offs = raw_off; @@ -146,11 +150,11 @@ cryptoloop_transfer(struct loop_device *lo, int cmd, u32 iv[4] = { 0, }; iv[0] = cpu_to_le32(IV & 0xffffffff); - sg_in.page = in_page; + sg_set_page(&sg_in, in_page); sg_in.offset = in_offs; sg_in.length = sz; - sg_out.page = out_page; + sg_set_page(&sg_out, out_page); sg_out.offset = out_offs; sg_out.length = sz; diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 317a790c153b..7276f7d207c2 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -388,6 +388,7 @@ static int __send_request(struct request *req) op = VD_OP_BWRITE; } + sg_init_table(sg, port->ring_cookies); nsg = blk_rq_map_sg(req->q, req, sg); len = 0; diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c index 402209fec59a..282a69558e8a 100644 --- a/drivers/block/sx8.c +++ b/drivers/block/sx8.c @@ -522,6 +522,7 @@ static struct carm_request *carm_get_request(struct carm_host *host) host->n_msgs++; assert(host->n_msgs <= CARM_MAX_REQ); + sg_init_table(crq->sg, CARM_MAX_REQ_SG); return crq; } diff --git a/drivers/block/ub.c b/drivers/block/ub.c index c57dd2b3a0c8..14143f2c484d 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #define DRV_NAME "ub" @@ -656,6 +657,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) if ((cmd = ub_get_cmd(lun)) == NULL) return -1; memset(cmd, 0, sizeof(struct ub_scsi_cmd)); + sg_init_table(cmd->sgv, UB_MAX_REQ_SG); blkdev_dequeue_request(rq); @@ -1309,9 +1311,8 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd) else pipe = sc->send_bulk_pipe; sc->last_pipe = pipe; - usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, - page_address(sg->page) + sg->offset, sg->length, - ub_urb_complete, sc); + usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, sg_virt(sg), + sg->length, ub_urb_complete, sc); sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; @@ -1427,7 +1428,7 @@ static void ub_state_sense(struct ub_dev *sc, struct ub_scsi_cmd *cmd) scmd->state = UB_CMDST_INIT; scmd->nsg = 1; sg = &scmd->sgv[0]; - sg->page = virt_to_page(sc->top_sense); + sg_set_page(sg, virt_to_page(sc->top_sense)); sg->offset = (unsigned long)sc->top_sense & (PAGE_SIZE-1); sg->length = UB_SENSE_SIZE; scmd->len = UB_SENSE_SIZE; @@ -1863,7 +1864,7 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun, cmd->state = UB_CMDST_INIT; cmd->nsg = 1; sg = &cmd->sgv[0]; - sg->page = virt_to_page(p); + sg_set_page(sg, virt_to_page(p)); sg->offset = (unsigned long)p & (PAGE_SIZE-1); sg->length = 8; cmd->len = 8; diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index e824b672e05a..ab5d404faa11 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -41,6 +41,7 @@ #include #include #include +#include #include #include @@ -270,6 +271,7 @@ static int send_request(struct request *req) d = req->rq_disk->private_data; /* Now build the scatter-gather list */ + sg_init_table(sg, VIOMAXBLOCKDMA); nsg = blk_rq_map_sg(req->q, req, sg); nsg = dma_map_sg(d->dev, sg, nsg, direction); -- cgit v1.2.3